Zobrazeno 1 - 10
of 383
pro vyhledávání: '"Thomas, Südmeyer"'
Autor:
Gar-Wing Truong, Lukas W. Perner, D. Michelle Bailey, Georg Winkler, Seth B. Cataño-Lopez, Valentin J. Wittwer, Thomas Südmeyer, Catherine Nguyen, David Follman, Adam J. Fleisher, Oliver H. Heckl, Garrett D. Cole
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract For trace gas sensing and precision spectroscopy, optical cavities incorporating low-loss mirrors are indispensable for path length and optical intensity enhancement. Optical interference coatings in the visible and near-infrared (NIR) spect
Externí odkaz:
https://doaj.org/article/f3e66698d2ca4f60924e9d7d2a2aff7c
Autor:
Kenichi N. Komagata, Alexandre Parriaux, Mathieu Bertrand, Johannes Hillbrand, Mattias Beck, Valentin J. Wittwer, Jérôme Faist, Thomas Südmeyer
Publikováno v:
APL Photonics, Vol 8, Iss 8, Pp 086110-086110-8 (2023)
We demonstrate the use of a low power near-infrared laser illuminating the front facet of a quantum cascade laser (QCL) as an optical actuator for the coherent control of a mid-infrared frequency comb. We show that with appropriate current control of
Externí odkaz:
https://doaj.org/article/2e2e9e229d654a849f457111aa73d8d0
Autor:
Laurent, Devenoges, Gianni, Di Domenico, André, Stefanov, Antoine, Jallageas, Jacques, Morel, Thomas, Südmeyer, Pierre, Thomann
We report the evaluation of the second order Zeeman shift in the continuous atomic fountain clock FoCS-2. Because of the continuous operation and of its geometrical constraints, the methods used in pulsed fountains are not applicable. We use here tim
Externí odkaz:
http://arxiv.org/abs/1608.07099
Autor:
Pierre Brochard, Benjamin Rudin, Florian Emaury, Valentin J. Wittwer, Stéphane Schilt, Thomas Südmeyer
Publikováno v:
Journal of the European Optical Society-Rapid Publications, Vol 16, Iss 1, Pp 1-5 (2020)
Abstract We present a detailed frequency noise analysis of a feedforward scheme used to faithfully transfer the spectral properties of an individual line of an optical frequency comb spectrum to a single-mode laser and in this way indirectly amplify
Externí odkaz:
https://doaj.org/article/8587df7024694dd4ba7447ba49fb24f5
Autor:
Erwan Lucas, Pierre Brochard, Romain Bouchand, Stéphane Schilt, Thomas Südmeyer, Tobias J. Kippenberg
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
In order to satisfy a wide range of modern microwave applications, improved methods are needed to produce low-noise microwave signals. Here the authors demonstrate ultra-low noise microwave synthesis via optical frequency division using a transfer os
Externí odkaz:
https://doaj.org/article/73115ffc8e9848bc9a89eb0d09702a12
Autor:
Igor Stevanovic, Zoltán Balogh-Michels, Andreas Bächli, Valentin J. Wittwer, Thomas Südmeyer, Alexander Stuck, Thomas Gischkat
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 189 (2020)
Ion beam sputtered hafnia is a preferred high index coating material for laser applications. It exhibits a mostly amorphous structure and an adequate laser-induced damage (LIDT) threshold. In this work, we investigated the influence of an assisting i
Externí odkaz:
https://doaj.org/article/75d2b9161da2416aae3175468e306199
Autor:
Stéphane Schilt, Thomas Südmeyer
Publikováno v:
Applied Sciences, Vol 5, Iss 4, Pp 787-816 (2015)
Optical frequency combs have been revolutionizing many research areas and are finding a growing number of real-world applications. While initially dominated by Ti:Sapphire and fiber lasers, optical frequency combs from modelocked diode-pumped solid-s
Externí odkaz:
https://doaj.org/article/86c64e8aa1584fdaa506fa660d2b966e
Publikováno v:
Optics express. 30(17)
In this article we present a directly diode-pumped high-power Kerr-lens mode-locked Yb:CALGO bulk laser oscillator operating at 1-GHz repetition rate. We report on two laser configurations optimized for either highest average power or shortest pulse
Autor:
Julian, Fischer, Jakub, Drs, François, Labaye, Norbert, Modsching, Michael, Müller, Valentin J, Wittwer, Thomas, Südmeyer
Publikováno v:
Optics express. 30(17)
We experimentally demonstrate an efficient and broadband extreme-ultraviolet light (XUV) out-coupling mechanism of intra-cavity generated high harmonics. The mechanism is based on a coated grazing-incidence plate (GIP), which utilizes the enhanced re
Autor:
Michele Gianella, Lukas Emmenegger, Thomas Südmeyer, Jérôme Faist, Simon Vogel, Kenichi Komagata
Publikováno v:
Proceedings of the 2022 International Symposium on Molecular Spectroscopy.